JP2000191236A - Fluff binding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fluff binding device capable of reducing inclusion in fibers of the dust or fly waste attached to yarn while fluffing from the yarn to be taken up by a winder into a package is suppressed. SOLUTION: A fluff binding device 1 is installed at a yarn trap 37 provided at a tenser box 31 of a winder. The spin yarn Y is subjected to a fluff binding process by making balloon (revolving) and false twisting within a yarn passage 8 using a swirling air stream jetting nozzle 2. At the same time, dust and/or fly waste separated from the spin yarn Y at a balloon, etc., of the spin yarn Y are sucked away to outside from the yarn passage 8 by the yarn trap 37 of the tenser box 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an automatic winder,
The present invention relates to a fluff binding device in a winding machine such as a twisting yarn machine.

[0002]

2. Description of the Related Art Yarns are produced from raw cotton and wool through processes such as spinning, plying and twisting. Between each of these steps, a step of winding the yarn back into the package is usually added to facilitate the processing in the next step. For example, a yarn supplying bobbin produced by ring spinning is subjected to a process of winding a large number of yarns by an automatic winder (winding machine) and rewinding the yarn into a cone or cheese-like package.

[0003] In the rewinding by the automatic winder, the yarn unwound from the yarn supplying bobbin is given a tension (tension) by a tensor, and the yarn is guided by a number of yarn guides to form a package. Therefore, the yarn is subjected to friction every time the yarn passes through the tensor or the yarn guide, and the fluff existing in the yarn of the yarn supplying bobbin before winding tends to increase after winding. In the case where the rewinding process is performed many times in the production of yarn, fluff will continue to increase. In particular, when the wool yarn is rewound by wool, the fluff is entangled by friction to form a pill, which is liable to cause pilling in which the wool yarn is cut and falls off. Therefore, in a rewinding process using a conventional winding machine (automatic winder), it is known to use a fluff binding device to suppress the generation of fluff. This fluff binding device generates a swirling airflow by injecting gas (air, humidified air) into a yarn passage through which the yarn passes, and balloons (swirls) the yarn to apply false twist, thereby converting the fluff into fibers. The fluff binding process of entanglement and winding is performed.

[0004]

In the conventional fluff binding device, however, although the generation of fluff can be suppressed by burling (twisting) the yarn, garbage or fly attached to the yarn is entangled with the fiber together with the fluff and wound. There is a risk of getting in. In this way, garbage and fly waste are entangled in the yarn fibers and
Reduce the quality of the package.

An object of the present invention is to provide a fluff binding device that reduces the generation of fluff of a yarn wound around a package by a winding machine and reduces the amount of dust or fly waste attached to the yarn to a fiber.

[0006]

A fluff binding device according to the present invention is provided in a yarn traveling path of a winding machine for unwinding a spun yarn from a yarn supply side and winding the unwound yarn into a package. Injection nozzle means having a yarn passage through which a yarn passes, and having an injection hole opened to generate a swirling airflow by gas injection into the yarn passage, and suction means provided in the injection nozzle means for sucking the inside of the yarn passage It is provided with. Thus, the spun yarn is ballooned (or swirled) by the swirling airflow in the yarn passage and false-twisted, so that a fluff binding process in which the fluff is entangled and wound around the fiber can be performed. By sucking the inside of the yarn passage at the same time as the fluff binding process, dust or fly waste separated from the spun yarn by a swirling airflow or a balloon (swirl) of the spun yarn can be sucked out of the yarn passage and removed to the outside. Therefore, the spun yarn can be subjected to the fluff binding treatment in a clean state.

Further, when the yarn trap of the winding machine is also used as the suction means, dust and fly waste can be suctioned and removed by utilizing the existing one in the winding machine.

Further, if the suction by the suction means is in the tangential direction of the swirling airflow, dust and fly waste can be efficiently sucked and removed from the yarn passage without disturbing the swirling airflow in the yarn passage.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a fluff binding device according to an embodiment of the present invention will be described with reference to the drawings.

The fluff binding apparatus 1 shown in FIG. 1 is provided in a tensor box 31 of a winding machine (for example, an automatic winder). The tensor box 31 is provided with a guide plate 32, a cutter 33, a gate feeler 34, a guide plate 35, a disk-type tensor 36, and a yarn from the yarn supply side of the yarn Y (for example, a spun yarn that is a collection of single fibers) traveling to the package. The trap 37 and the guide plate 38 are arranged in this order, and the yarn trap 37 in the yarn traveling path includes the fluff binding device 1. The yarn trap 37 has a nozzle shape for sucking and catching the cut yarn end on the yarn supply side.
It is connected to a suction device (not shown).

The fluff binding device 1 comprises a swirling airflow jet nozzle 2 (spray nosle means) for suppressing generation of fluff on the yarn Y, and a yarn Y
Nozzles (suction means) for sucking / removing dirt, fly waste, and the like, and two yarn regulating plates 4 and 5 for regulating the yarn Y, and the yarn trap 37 of the tensor box 31 is sucked (sucked). This is also used for the nozzle 3).

The swirling airflow injection nozzle 2 is shown in FIGS.
As shown in FIG. 6, the ceramic element 6 is fitted into a nozzle holder 7 having a concave cross section, and is integrated by tightening with a plurality of bolts. The element 6 is formed with a circular thread passage 8 (thread passing hole) penetrating therethrough at the axis a.
Thread Y is introduced through 0. The yarn inlet 9 is formed eccentrically parallel to the axis a of the yarn passage 8 and penetrates in the axial direction of the element 6 together with the slit 10 (see FIGS. 3 and 4).

The element 6 has a plurality of injection holes 11 to 13 for injecting gas (air, humidified air, steam, etc.) into the yarn passage 8, and a suction slot 14 for sucking the yarn passage 8. Are formed. Each of the injection holes 11 to 13 is formed around the yarn passage 8 excluding the yarn introduction port 9 and a portion opposed to the yarn introduction port 9, and is horizontally inserted into the yarn passage 8 from a tangential direction of the inner periphery of the yarn passage 8. It is open. Of these injection holes, 11 and 13 are located on one side of the yarn passage 8 and
Are formed at each of the shaft ends and communicate with each other in the injection space 15. The remaining injection holes 12 are formed on the other side of the yarn passage 8 at the center of the shaft of the element 6 and communicate with the injection space 16. Each of the ejection spaces 15 and 16 communicates with a gas supply device (not shown) via each of the ejection ports 17 of the nozzle holder 7 and each of the pipes connected to the nozzle holder 7 (see FIGS. 3 and 4). On the other hand, the suction slot 14
Is opened so as to intersect the tangential direction of the inner periphery of the yarn passage 8 from the side facing the yarn introduction port 9, and penetrates through the element 6 and the nozzle holder 7 with an increased diameter. This suction slot 1
Numeral 4 is formed between the injection holes 11 and 13 of the element 6 (see FIGS. 3 and 4).

Each of the yarn regulating plates 4 and 5 is provided at each shaft end of the element 6. Each of these yarn regulating plates 4 and 5 is shown in FIG.
As shown in FIG. 2, the V-shaped guide groove 18 is provided so as to cover each opening side of the yarn passage 8 so as to cover each opening side, and guides the yarn Y. Then, each of the yarn regulating plates 4 and 5 is arranged as shown in FIG.
By restricting the yarn Y introduced into the yarn passage 8 so as to be bent at the fulcrums c and b of the guide groove 18 as shown in (1), the yarn Y plays a role as a guide for balloon formation by the swirling airflow acting on the yarn Y.

The fluff binding device 1 having such a configuration is provided with a yarn trap 37 in the suction slot 14 of the swirling airflow injection nozzle 2.
The yarn trap 37 is provided with the swirling airflow injection nozzle 2 by inserting it into contact with the element 6 so that the yarn passage 8 can be suctioned (see FIGS. 2 to 4).

Next, the operation of the fluff binding device 1 will be described.
Gas from a gas supply device (not shown) is injected into the yarn passage 8 from each of the injection holes 11 to 13 through piping, each injection port 17 and each injection space 15, 16. At this time, the gas is ejected from each of the injection holes 11 to 13 in a tangential direction on the inner circumference of the yarn passage 8 to generate a swirling airflow in the yarn passage 8 (see FIGS. 3 and 4).

The swirling airflow generated in the yarn passage 8 causes the yarn Y to burl (swirl) around the inner periphery of the yarn passage Y with the yarn regulating plates 4 and 5 as fulcrums, thereby performing false twisting. .
In this way, when false twisting is performed, the yarn Y comes into contact with the guide grooves 18 of the yarn regulating plates 4 and 5 while rotating, so that the fluff is entangled with the yarn fiber and is caught, thereby suppressing the generation of fluff. A fluff binding process is performed (see FIG. 6).

It is conceivable to use steam (water vapor) in addition to air and humidified air as a gas for ballooning (turning) the yarn Y. In particular, by using steam (steam), the yarn Y passing through the yarn passage 8 and the inner periphery of the yarn passage 8 can be heated. Thread Y due to steam effect
Fuzz (fiber) can be softened. As a result, the yarn Y which is ballooned so as to slide in the yarn passage 8 can effectively entangle the fibers with the fluff softened by false twisting, and at the same time, ironing by contact with the inner periphery of the yarn passage 8 It can be heat-set to maintain the state with less fluff.

At the same time as the gas injection from the injection holes 11 to 13, the suction by the yarn trap 37 is started. The suction of the yarn trap 37 does not disturb the swirling airflow in the yarn passage 8 and has a suction force that does not suck the yarn Y to be ballooned (turned). As a result, the yarn trap 37 causes the swirling air current generated in the yarn passage 8 and the dirt or fly swab separated from the yarn Y by the balloon of the yarn Y, or the dirt or fly swab directly from the yarn Y passing through the suction slot 14. Can be removed to the outside by suction together with the gas (see FIG. 6).

In the fluff binding apparatus 1 according to the present invention, the yarn trap 37 of the tensor box 31 is also used as the suction means, but, for example, the cutter 33 and the gate feeler 34 are used.
May be provided in between. In this case, it is necessary to directly connect the suction slot 14 of the swirling airflow injection nozzle 2 to a suction device via a pipe.

In the fluff binding apparatus 1 shown in FIGS. 1 to 6, the suction slot 14 is formed so as to intersect the tangential direction of the inner periphery of the yarn passage 8, but as shown in FIG. The hole 14 may be formed in the tangential direction of the inner periphery of the yarn passage 8 (the tangential direction of the swirling airflow) and opened in the yarn passage 8. At this time, as shown in FIG. 7, the suction slot 14 is opened in the yarn passage 8 so as to face the swirling direction A of the swirling airflow. Thus, even if the inside of the yarn passage 8 is sucked by the suction nozzle 3 inserted into the suction long hole 14, the swirling airflow (balloon of the yarn Y) in the yarn passage 8
Without disturbing the yarn Y, efficiently remove dirt or fly wool that is separated from the yarn Y and flows along the inner circumference of the yarn passage 8 by the swirling force (centrifugal force) of the swirling airflow, or directly from the yarn Y. It can be reliably removed to the outside.

Next, an example in which the fluff binding device 1 is applied to an automatic winder (winding machine) will be described with reference to FIG.

The automatic winder W shown in FIG. 8 has a multiplicity of winding units 25 arranged side by side.
Is the tensor box 31 of FIG. 1 (including the fluff binding device 1)
It has. Each of these winding units 25 removes the yarn Y unwound from the yarn supplying bobbin E supplied to a predetermined position with the balun breaker 39, the tensor 36 of the tensor box 31, the fluff binding device 1 (yarn trap 37), and the defect of the yarn Y. It is wound around a rotating package P by a traverse drum 41 through a slab catcher 40 or the like for detecting the portion. 42 is a yarn joining device, 43 is a yarn joining device on the package P side.
Suction mouse to guide you to, 44 is yarn trap 3
The yarn end on the side of the yarn supplying bobbin E sucked and captured at 7 is connected to the yarn joining device 4.
2 is a relay pipe for guiding to 2.

When the traverse drum 41 of each winding unit 25 is driven to start rewinding (winding) of the yarn Y, the yarn Y unwound from the yarn supplying bobbin E passes through the fluff binding device 1. The balloon is false-twisted by the swirling airflow from the swirling airflow injection nozzle 2 to perform the fluff binding process. At the same time, dust and fluff detached from the yarn Y can be suctioned and removed by suction with the yarn trap 37, so that the yarn Y can be subjected to a fluff binding process in a clean state. In particular, in the case of a spun yarn which is a collection of single fibers, the effect is remarkably and surely achieved, and fluff and dust from the spun yarn can be removed.

If the yarn Y breaks during winding on the package P, it is necessary to perform piecing. At this time, the gas injection from the swirl injection nozzle 2 of the fluff binding device 1 is stopped, and the cut yarn end on the yarn supplying bobbin E side is sucked and captured by the yarn trap 37. Then, the relay pipe 44 is turned to the vicinity of the balloon breaker 39, and the yarn end trapped by the yarn trap 37 is sucked to remove the yarn end.
Guide to 2. At this time, the yarn Y is passed through the members 32 to 35 of the tensor box 31, the tensor 36, and the like, and is also passed through the yarn introduction port 9 and the slit 10 into the yarn passage 8 with respect to the fluff binding device 1. Subsequently, the yarn end on the package P side is sucked by the suction mouth 43 and guided to the yarn joining device 42, so that the yarn joining device 42 performs the yarn joining.
Thereby, the yarn trap 37 can be used also as the suction means of the fluff binding device 1 without obstructing the function of the conventional yarn trap 37. Although the example in which the fluff binding device 1 is applied to the automatic winder W has been described, it may be applied to a winding machine such as a twisting machine and a warping machine.

[0026]

The fluff binding device of the present invention can perform a fluff binding process in which fluff is entangled with and wound around a fiber by ballooning (turning) and false twisting the spun yarn with the injection nozzle means. Simultaneously with the fluff binding processing, the inside of the yarn passage is suctioned by the suction means, so that dust or fly waste separated from the spun yarn by the swirling airflow or the balloon (swirl) of the spun yarn can be removed to the outside by suction. As a result, it is possible to perform the fluffing-off treatment in a clean state, and it is possible to reduce entrapment of fibers such as dust and fly wool, thereby improving the quality of the package.

Further, since the yarn trap of the winder is also used as the suction means, dust and fly waste can be suctioned and removed by utilizing the existing one in the winder, and the cost can be reduced without providing a separate suction means. Can be placed on the winder.

Further, if the suction by the suction means is made in the tangential direction of the swirling airflow, dust and fly waste can be efficiently sucked from the yarn passage without disturbing the swirling airflow (balloon of spun yarn) in the yarn passage. Can be reliably removed.

[Brief description of the drawings]

FIG. 1 is a perspective view in which a fluff binding device is applied to a tensor box of a winder.

FIG. 2 is a perspective view showing the fluff binding apparatus of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view taken along line BB of FIG. 2;

FIG. 5 is a view taken in the direction of arrow C in FIG. 2;

FIG. 6 is a sectional view taken along line DD of FIG. 2;

FIG. 7 is a sectional view showing a modification of the fluff binding device.

FIG. 8 is a diagram illustrating the configuration of an automatic winder to which a fluff binding device is applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fluff binding device 2 Swirling air flow injection nozzle (injection nozzle means) 3 Suction nozzle (suction means) 4 Thread regulation plate 5 Thread regulation plate 8 Thread passage 11 to 13 Injection hole 14 Suction long hole 25 Winding unit 31 Tensor box 37 Yarn Trap E Yarn bobbin P Package W Automatic winder

Claims (3)

[Claims] 1. A fluff binding device provided in a yarn traveling path of a winding machine for unwinding a spun yarn from a yarn supply side and winding the spun yarn into a package, comprising a yarn passage for passing the unwound spun yarn. An injection nozzle means having an injection hole for generating a swirling air flow by injecting gas into the yarn passage, and a suction means provided in the injection nozzle means and sucking the yarn passage. apparatus. 2. The yarn winding machine according to claim 1, further comprising a yarn trap for sucking a cut end of the spun yarn on the yarn supply side, wherein the yarn trap also serves as the suction means and passes through the yarn passage. The fluff binding device according to claim 1, wherein the device is used for suction. 3. The fluff binding apparatus according to claim 1, wherein the suction means suctions the swirling airflow generated in the yarn passage from a tangential direction.